Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Toehold mediated DNA strand displacement (TMSD). (a) Schematic images of the reversible DNA tweezers by TMSD. Reproduced with permission from ref (71). Copyright 2000, Nature Publishing Group. (b) Schematic and AFM images of DNA origami Möbius strip. Reproduced with permission from ref (73). Copyright 2010, Nature Publishing Group.
